Pronunciation

change

Singular
flex

Plural
flexes

  1. (countable) A flex is an act of flexing.
  2. (countable) (slang) A flex is the act of flaunting something.

Plain form
flex

Third-person singular
flexes

Past tense
flexed

Past participle
flexed

Present participle
flexing

  1. (transitive) If a person flexes, they move a part of the body using their muscles.